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Summary

Used with the GetDCEx function

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/// <summary>Values to pass to the GetDCEx method.</summary>

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''' <summary>Values to pass to the GetDCEx method.</summary>

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Used with the GetDCEx function

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Summary

The GetDCEx API

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static extern IntPtr GetDCEx(IntPtr hWnd, IntPtr hrgnClip, DeviceContextValues flags);

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Private Shared Function GetDCEx(ByVal hWnd As IntPtr, ByVal hrgnClip As IntPtr, ByVal DeviceContextValues As DeviceContextValues) As IntPtr

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Private Declare Function Lib "user32.dll" GetDCEx(ByVal hWnd As IntPtr, ByVal hrgnClip As IntPtr, ByVal DeviceContextValues As DeviceContextValues) As IntPtr

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Unless the display DC belongs to a window class, the ReleaseDC function must be called to release the DC after painting. Also, ReleaseDC must be called from the same thread that called GetDCEx. The number of DCs is limited only by available memory.

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Handle to the window whose DC is to be retrieved. If this value is NULL, GetDCEx retrieves the DC for the entire screen.</param>

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Specifies a clipping region that may be combined with the visible region of the DC. If the value of flags is DCX_INTERSECTRGN or DCX_EXCLUDERGN, then the operating system assumes ownership of the region and will automatically delete it when it is no longer needed. In this case, applications should not use the region—not even delete it—after a successful call to GetDCEx.</param>

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Unless the display DC belongs to a window class, the ReleaseDC function must be called to release the DC after painting. Also, ReleaseDC must be called from the same thread that called GetDCEx. The number of "DCs" is limited only by available memory.

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Documentation

[GetDCEx] on MSDN

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Summary

The GetDCEx API

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static extern IntPtr GetDCEx(IntPtr hWnd, IntPtr hrgnClip, DeviceContextValues flags);

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Private Shared Function GetDCEx(ByVal hWnd As IntPtr, ByVal hrgnClip As IntPtr, ByVal DeviceContextValues As Integer) As IntPtr

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Private Declare Function Lib "user32.dll" GetDCEx(ByVal hWnd As IntPtr, ByVal hrgnClip As IntPtr, ByVal DeviceContextValues As Integer) As IntPtr

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/// <summary>Values to pass to the GetDCEx method.</summary>

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Unless the display DC belongs to a window class, the ReleaseDC function must be called to release the DC after painting. Also, ReleaseDC must be called from the same thread that called GetDCEx. The number of DCs is limited only by available memory.

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Handle to the window whose DC is to be retrieved. If this value is NULL, GetDCEx retrieves the DC for the entire screen.</param>

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Specifies a clipping region that may be combined with the visible region of the DC. If the value of flags is DCX_INTERSECTRGN or DCX_EXCLUDERGN, then the operating system assumes ownership of the region and will automatically delete it when it is no longer needed. In this case, applications should not use the region—not even delete it—after a successful call to GetDCEx.</param>

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Unless the display DC belongs to a window class, the ReleaseDC function must be called to release the DC after painting. Also, ReleaseDC must be called from the same thread that called GetDCEx. The number of "DCs" is limited only by available memory.

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Documentation

[GetDCEx] on MSDN