Class NativeMethods

Stores methods for working with windows.

Inheritance

System.Object

NativeMethods

Inherited Members

System.Object.Equals(System.Object)

System.Object.Equals(System.Object, System.Object)

System.Object.GetHashCode()

System.Object.GetType()

System.Object.MemberwiseClone()

System.Object.ReferenceEquals(System.Object, System.Object)

System.Object.ToString()

Namespace: Syncfusion.Windows.Shared

Assembly: Syncfusion.Shared.WPF.dll

Syntax

public class NativeMethods

Constructors

NativeMethods()

Declaration

public NativeMethods()

Fields

SM_CXSCREEN

SM_CXSCREEN value.

Declaration

public const int SM_CXSCREEN = 0

Field Value

Type
System.Int32

SM_CYSCREEN

SM_CYSCREEN value.

Declaration

public const int SM_CYSCREEN = 1

Field Value

Type
System.Int32

Methods

BitBlt(IntPtr, Int32, Int32, Int32, Int32, IntPtr, Int32, Int32, Int32)

Bits the BLT.

Declaration

public static bool BitBlt(IntPtr hdcDest, int xDest, int yDest, int wDest, int hDest, IntPtr hdcSource, int xSrc, int ySrc, int RasterOp)

Parameters

Type	Name	Description
System.IntPtr	hdcDest	The HDC dest.
System.Int32	xDest	The x dest.
System.Int32	yDest	The y dest.
System.Int32	wDest	The w dest.
System.Int32	hDest	The h dest.
System.IntPtr	hdcSource	The HDC source.
System.Int32	xSrc	The x SRC.
System.Int32	ySrc	The y SRC.
System.Int32	RasterOp	The raster op.

Returns

Type	Description
System.Boolean	bool value.

ClipCursor(ref RECT)

Confines the cursor to a rectangular area on the screen.

Declaration

public static bool ClipCursor(ref RECT rcClip)

Parameters

Type	Name	Description
RECT	rcClip	Points to the RECT structure that contains the screen coordinates of the upper-left and lower-right corners of the confining rectangle. If this parameter is NULL, the cursor is free to move anywhere on the screen.

Returns

Type	Description
System.Boolean	Returns true if successful, or false if an error occurred.

ClipCursor(Object)

The ClipCursor function confines the cursor to a rectangular area on the screen.

Declaration

public static bool ClipCursor(object passNull)

Parameters

Type	Name	Description
System.Object	passNull	Pointer to the RECT structure that contains the screen coordinates of the upper-left and lower-right corners of the confining rectangle. If this parameter is NULL, the cursor is free to move anywhere on the screen.

Returns

Type	Description
System.Boolean	Returns true if successful, or false if an error occurred.

CreateCompatibleBitmap(IntPtr, Int32, Int32)

Creates the compatible bitmap.

Declaration

public static IntPtr CreateCompatibleBitmap(IntPtr hdc, int nWidth, int nHeight)

Parameters

Type	Name	Description
System.IntPtr	hdc	The HDC value.
System.Int32	nWidth	Width of the n.
System.Int32	nHeight	Height of the n.

Returns

Type	Description
System.IntPtr	IntPtr value.

CreateCompatibleDC(IntPtr)

Creates the compatible DC.

Declaration

public static IntPtr CreateCompatibleDC(IntPtr hdc)

Parameters

Type	Name	Description
System.IntPtr	hdc	The HDC value.

Returns

Type	Description
System.IntPtr	IntPtr value.

CreateDC(String, String, String, IntPtr)

Creates device context for a device using the specified name.

Declaration

public static IntPtr CreateDC(string lpszDriver, string lpszDevice, string lpszOutput, IntPtr lpInitData)

Parameters

Type	Name	Description
System.String	lpszDriver
System.String	lpszDevice
System.String	lpszOutput
System.IntPtr	lpInitData

Returns

Type
System.IntPtr

DeleteDC(IntPtr)

Deletes the DC.

Declaration

public static IntPtr DeleteDC(IntPtr hDc)

Parameters

Type	Name	Description
System.IntPtr	hDc	The handle dc.

Returns

Type	Description
System.IntPtr	IntPtr value.

DeleteObject(IntPtr)

Deletes the object.

Declaration

public static IntPtr DeleteObject(IntPtr hDc)

Parameters

Type	Name	Description
System.IntPtr	hDc	The h delete object.

Returns

Type	Description
System.IntPtr	IntPtr value.

DwmDefWindowProc(IntPtr, WM, IntPtr, IntPtr, out IntPtr)

DWMs the def window proc.

Declaration

public static bool DwmDefWindowProc(IntPtr hwnd, WM msg, IntPtr wParam, IntPtr lParam, out IntPtr plResult)

Parameters

Type	Name	Description
System.IntPtr	hwnd	The HWND Value.
WM	msg	The MSG Value.
System.IntPtr	wParam	The w param.
System.IntPtr	lParam	The l param.
System.IntPtr	plResult	The pl result.

Returns

Type	Description
System.Boolean	Return bool value

EnableMenuItem(IntPtr, SystemCommands, SystemMenuItemBehavior)

Enables the menu item.

Declaration

[CLSCompliant(false)]
public static SystemMenuItemBehavior EnableMenuItem(IntPtr hMenu, SystemCommands uIDEnableItem, SystemMenuItemBehavior uEnable)

Parameters

Type	Name	Description
System.IntPtr	hMenu	The h menu.
SystemCommands	uIDEnableItem	The u ID enable item.
SystemMenuItemBehavior	uEnable	The u enable.

Returns

Type	Description
SystemMenuItemBehavior	Return the menu item

FindWindow(String, String)

Finds the window.

Declaration

public static IntPtr FindWindow(string lpClassName, string lpWindowName)

Parameters

Type	Name	Description
System.String	lpClassName	Name of the lp class.
System.String	lpWindowName	Name of the lp window.

Returns

Type	Description
System.IntPtr	IntPtr message value.

FindWindowEx(IntPtr, IntPtr, String, IntPtr)

Finds the window ex.

Declaration

public static IntPtr FindWindowEx(IntPtr parentHandle, IntPtr childAfter, string className, IntPtr windowTitle)

Parameters

Type	Name	Description
System.IntPtr	parentHandle	The parent handle.
System.IntPtr	childAfter	The child after.
System.String	className	Name of the class.
System.IntPtr	windowTitle	The window title.

Returns

Type	Description
System.IntPtr	IntPtr message.

GetCursorPos(ref Point)

Gets the cursor pos.

Declaration

public static bool GetCursorPos(ref Point lpPoint)

Parameters

Type	Name	Description
System.Windows.Point	lpPoint	The lp point.

Returns

Type	Description
System.Boolean	Bool value message.

GetDC(IntPtr)

Gets the DC.

Declaration

public static IntPtr GetDC(IntPtr hWnd)

Parameters

Type	Name	Description
System.IntPtr	hWnd	The h WND.

Returns

Type	Description
System.IntPtr	IntPtr type value.

GetDesktopWindow()

Gets the desktop window.

Declaration

public static IntPtr GetDesktopWindow()

Returns

Type	Description
System.IntPtr	IntPtr value.

GetDeviceCaps(IntPtr, Int32)

The GetDeviceCaps function retrieves device-specific information for the specified device.

Declaration

public static int GetDeviceCaps(IntPtr hdc, int nIndex)

Parameters

Type	Name	Description
System.IntPtr	hdc
System.Int32	nIndex

Returns

Type
System.Int32

GetFontData(IntPtr, UInt32, UInt32, Byte[], UInt32)

Allows access to the data within a font metrics table in any TrueType / OpenType font.

Declaration

[CLSCompliant(false)]
public static uint GetFontData(IntPtr hdc, uint dwTable, uint dwOffset, byte[] lpvBuffer, uint cbData)

Parameters

Type	Name	Description
System.IntPtr	hdc
System.UInt32	dwTable
System.UInt32	dwOffset
System.Byte[]	lpvBuffer
System.UInt32	cbData

Returns

Type
System.UInt32

GetPixel(IntPtr, Int32, Int32)

Gets the pixel.

Declaration

public static int GetPixel(IntPtr hdc, int x, int y)

Parameters

Type	Name	Description
System.IntPtr	hdc	The HDC value.
System.Int32	x	The x value.
System.Int32	y	The y value.

Returns

Type	Description
System.Int32	IntPtr type which returns from Pixel

GetSystemMenu(IntPtr, Boolean)

This function is implemented as a macro to maintain compatibility with existing code. Use the menu handle returned by this macro to disable the Close button. There is no other use for the return value.

Declaration

public static IntPtr GetSystemMenu(IntPtr hWnd, bool bRevert)

Parameters

Type	Name	Description
System.IntPtr	hWnd	Handle to the window that will own a copy of the window menu.
System.Boolean	bRevert	Boolean value of TRUE if GetSystemMenu is to reset the window menu to the default state and destroy the previous window menu, if any. If this parameter is FALSE, GetSystemMenu returns the handle to the copy of the window menu currently in use. The copy is initially identical to the window menu, but it can be modified.

Returns

Type	Description
System.IntPtr	IntPtr message value.

GetSystemMetrics(Int32)

Gets the system metrics.

Declaration

public static int GetSystemMetrics(int abc)

Parameters

Type	Name	Description
System.Int32	abc	The abc (int value).

Returns

Type	Description
System.Int32	int value as system metrics

GetWindowDC(Int32)

Gets the window DC.

Declaration

public static IntPtr GetWindowDC(int ptr)

Parameters

Type	Name	Description
System.Int32	ptr	The PTR value.

Returns

Type	Description
System.IntPtr	IntPtr value

GetWindowLongPtr(IntPtr, GWL)

Gets the window long PTR.

Declaration

public static IntPtr GetWindowLongPtr(IntPtr hwnd, GWL nIndex)

Parameters

Type	Name	Description
System.IntPtr	hwnd	The HWND Value.
GWL	nIndex	Index of the n.

Returns

Type	Description
System.IntPtr	Return the Window position

GetWindowPlacement(IntPtr)

Gets the window placement.

Declaration

public static WINDOWPLACEMENT GetWindowPlacement(IntPtr hwnd)

Parameters

Type	Name	Description
System.IntPtr	hwnd	The HWND Value.

Returns

Type	Description
WINDOWPLACEMENT	Return the window placement

GetWindowRect(IntPtr, out RECT)

Gets the window rect.

Declaration

public static bool GetWindowRect(IntPtr hWnd, out RECT lpRect)

Parameters

Type	Name	Description
System.IntPtr	hWnd	The h WND.
RECT	lpRect	The lp rect.

Returns

Type	Description
System.Boolean	Boolean value.

IntPtrToInt32(IntPtr)

Converts given System.IntPtr value to System.Int32 value.

Declaration

public static int IntPtrToInt32(IntPtr intPtr)

Parameters

Type	Name	Description
System.IntPtr	intPtr	Given System.IntPtr value.

Returns

Type	Description
System.Int32	Result of conversion.

LoWord(Int32)

Assigns zero to all bits of given value except four lower bits.

Declaration

public static int LoWord(int n)

Parameters

Type	Name	Description
System.Int32	n	Given integer value.

Returns

Type	Description
System.Int32	Converted value.

LoWord(IntPtr)

Assigns zero to all bits of given value except four lower bits.

Declaration

public static int LoWord(IntPtr n)

Parameters

Type	Name	Description
System.IntPtr	n	Given System.IntPtr value.

Returns

Type	Description
System.Int32	Converted value.

MoveWindow(IntPtr, Int32, Int32, Int32, Int32, Boolean)

The MoveWindow function changes the position and dimensions of the specified window. For a top-level window, the position and dimensions are relative to the upper-left corner of the screen. For a child window, they are relative to the upper-left corner of the parent window's client area.

Declaration

[SecurityCritical]
public static bool MoveWindow(IntPtr hWnd, int X, int Y, int nWidth, int nHeight, bool bRepaint)

Parameters

Type	Name	Description
System.IntPtr	hWnd	Handle to the window.
System.Int32	X	Specifies the new position of the left side of the window.
System.Int32	Y	Specifies the new position of the top of the window.
System.Int32	nWidth	Specifies the new width of the window.
System.Int32	nHeight	Specifies the new height of the window.
System.Boolean	bRepaint	Specifies whether the window is to be repainted. If this parameter is TRUE, the window receives a message. If the parameter is FALSE, no repainting of any kind occurs. This applies to the client area, the nonclient area (including the title bar and scroll bars), and any part of the parent window uncovered as a result of moving a child window.

Returns

Type	Description
System.Boolean	If the function succeeds, the return value is nonzero. If the function fails, the return value is zero. To get extended error information, call GetLastError/>.

ReleaseDC(IntPtr, IntPtr)

Releases the DC.

Declaration

public static int ReleaseDC(IntPtr hwnd, IntPtr hdc)

Parameters

Type	Name	Description
System.IntPtr	hwnd	The Handle WND.
System.IntPtr	hdc	The HDC message.

Returns

Type	Description
System.Int32	IntPtr type which returns from DC

ScreenToClient(IntPtr, POINT)

The function converts the screen coordinates of a specified point on the screen to client-area coordinates.

Declaration

public static void ScreenToClient(IntPtr hWnd, POINT pt)

Parameters

Type	Name	Description
System.IntPtr	hWnd	Handle to the window whose client area will be used for the conversion.
POINT	pt	POINT structure that specifies the screen coordinates to be converted.

SelectObject(IntPtr, IntPtr)

Selects the object.

Declaration

public static IntPtr SelectObject(IntPtr hdc, IntPtr bmp)

Parameters

Type	Name	Description
System.IntPtr	hdc	The HDC value.
System.IntPtr	bmp	The BMP brush value.

Returns

Type	Description
System.IntPtr	IntPtr value.

SendMessage(IntPtr, Int32, Int32, IntPtr)

Sends the message.

Declaration

public static IntPtr SendMessage(IntPtr hWnd, int msg, int wParam, IntPtr lParam)

Parameters

Type	Name	Description
System.IntPtr	hWnd	The handle window.
System.Int32	msg	The Message.
System.Int32	wParam	The actual message param.
System.IntPtr	lParam	name of the task with which the pset is associated.

Returns

Type	Description
System.IntPtr	IntPtr value.

SendMessage(IntPtr, Int32, IntPtr, Int32)

Sends the message.

Declaration

public static IntPtr SendMessage(IntPtr hWnd, int msg, IntPtr wParam, int lParam)

Parameters

Type	Name	Description
System.IntPtr	hWnd	The handle WND.
System.Int32	msg	The MSG value.
System.IntPtr	wParam	The window param.
System.Int32	lParam	The last param.

Returns

Type	Description
System.IntPtr	IntPtr value.

SendMessage(IntPtr, Int32, IntPtr, IntPtr)

Sends the message.

Declaration

public static IntPtr SendMessage(IntPtr hWnd, int msg, IntPtr wParam, IntPtr lParam)

Parameters

Type	Name	Description
System.IntPtr	hWnd	The handle WND.
System.Int32	msg	The MSG value.
System.IntPtr	wParam	The w param.
System.IntPtr	lParam	The l param.

Returns

Type	Description
System.IntPtr	IntPtr value.

SetWindowLong(HandleRef, Int32, IntPtr)

The SetWindowLong function changes an attribute of the specified window. The function also sets the 32-bit (long) value at the specified offset into the extra window memory.

Declaration

[SecurityCritical]
public static IntPtr SetWindowLong(HandleRef hWnd, int nIndex, IntPtr dwNewLong)

Parameters

Type	Name	Description
System.Runtime.InteropServices.HandleRef	hWnd	Handle to the window and, indirectly, the class to which the window belongs.
System.Int32	nIndex	Specifies the zero-based offset to the value to be set. Valid values are in the range zero through the number of bytes of extra window memory, minus the size of an integer.
System.IntPtr	dwNewLong	Specifies the replacement value.

Returns

Type	Description
System.IntPtr	If the function succeeds, the return value is the previous value of the specified 32-bit integer. If the function fails, the return value is zero.

SetWindowLongPtr(IntPtr, GWL, IntPtr)

Sets the window long PTR.

Declaration

public static IntPtr SetWindowLongPtr(IntPtr hwnd, GWL nIndex, IntPtr dwNewLong)

Parameters

Type	Name	Description
System.IntPtr	hwnd	The HWND value.
GWL	nIndex	Index of the n.
System.IntPtr	dwNewLong	The dw new long.

Returns

Type	Description
System.IntPtr	Return the Integer Pointer

SetWindowPos(IntPtr, Int32, Int32, Int32, Int32, Int32, Int32)

Changes the size, position, and Z order of a window.

Declaration

[SecurityCritical]
public static int SetWindowPos(IntPtr hwnd, int hwndInsertAfter, int x, int y, int cx, int cy, int wFlags)

Parameters

Type	Name	Description
System.IntPtr	hwnd	Handle of window.
System.Int32	hwndInsertAfter	Either the handle of the window to position this window behind, or a flag stating where in the Z-order to put the window.
System.Int32	x	The x coordinate of where to put the upper-left corner of the window.
System.Int32	y	The y coordinate of where to put the upper-left corner of the window.
System.Int32	cx	The x coordinate of where to put the lower-right corner of the window.
System.Int32	cy	The y coordinate of where to put the lower-right corner of the window.
System.Int32	wFlags	Specifies the window sizing and positioning flags.

Returns

Type	Description
System.Int32	Returns 1 if successful, or 0 if an error occurred.

SHAppBarMessage(Int32, ref NativeMethods.APPBARDATA)

Declaration

public static int SHAppBarMessage(int dwMessage, ref NativeMethods.APPBARDATA pData)

Parameters

Type	Name	Description
System.Int32	dwMessage
NativeMethods.APPBARDATA	pData

Returns

Type
System.Int32

Shell_NotifyIcon(Int32, ref NativeMethods.NotifyIconData)

Shell_s the notify icon.

Declaration

public static bool Shell_NotifyIcon(int dwMessage, ref NativeMethods.NotifyIconData pnid)

Parameters

Type	Name	Description
System.Int32	dwMessage	The dw message.
NativeMethods.NotifyIconData	pnid	The pnid value.

Returns

Type	Description
System.Boolean	Boolean value.

ShowWindow(HandleRef, Int32)

Sets the specified window�s show state.

Declaration

[SecurityCritical]
public static bool ShowWindow(HandleRef hWnd, int nCmdShow)

Parameters

Type	Name	Description
System.Runtime.InteropServices.HandleRef	hWnd	The handle of the window to change the show status of.
System.Int32	nCmdShow	0 = Hide the window. 1 = Show the window and activate it. 2 = Show the window minimized. 3 = Maximize the window. 4 = Show the window in its most recent size and position but do not activate it. 5 = Show the window. 6 = Minimize the window. 7 = Show the window minimized but do not activate it. 8 = Show the window in its current state but do not activate it 9 = Restore the window (not maximized nor minimized).

Returns

Type	Description
System.Boolean	If the window was previously visible, the return value is true. If the window was previously hidden, the return value is false.

StretchBlt(IntPtr, Int32, Int32, Int32, Int32, IntPtr, Int32, Int32, Int32, Int32, NativeMethods.TernaryRasterOperations)

Stretches the BLT.

Declaration

public static bool StretchBlt(IntPtr hdcDest, int nXOriginDest, int nYOriginDest, int nWidthDest, int nHeightDest, IntPtr hdcSrc, int nXOriginSrc, int nYOriginSrc, int nWidthSrc, int nHeightSrc, NativeMethods.TernaryRasterOperations dwRop)

Parameters

Type	Name	Description
System.IntPtr	hdcDest	The HDC dest.
System.Int32	nXOriginDest	The n X origin dest.
System.Int32	nYOriginDest	The n Y origin dest.
System.Int32	nWidthDest	The n width dest.
System.Int32	nHeightDest	The n height dest.
System.IntPtr	hdcSrc	The HDC SRC.
System.Int32	nXOriginSrc	The n X origin SRC.
System.Int32	nYOriginSrc	The n Y origin SRC.
System.Int32	nWidthSrc	The n width SRC.
System.Int32	nHeightSrc	The n height SRC.
NativeMethods.TernaryRasterOperations	dwRop	The dw raster operation.

Returns

Type	Description
System.Boolean	Boolean message value.

TrackPopupMenu(IntPtr, UInt32, Int32, Int32, Int32, IntPtr, IntPtr)

The TrackPopupMenu function displays a shortcut menu at the specified location and tracks the selection of items on the menu. The shortcut menu can appear anywhere on the screen.

Declaration

[CLSCompliant(false)]
public static int TrackPopupMenu(IntPtr hMenu, uint uFlags, int x, int y, int nReserved, IntPtr hWnd, IntPtr prcRect)

Parameters

Type	Name	Description
System.IntPtr	hMenu	The h menu.
System.UInt32	uFlags	The u flags.
System.Int32	x	The x value.
System.Int32	y	The y value.
System.Int32	nReserved	The n reserved.
System.IntPtr	hWnd	The handle WND.
System.IntPtr	prcRect	The PRC rect.

Returns

Type	Description
System.Int32	int message value.