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Refactored code to use SafeHandle where possible, this should fix potential resource leaks and make the code more clear.

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git-svn-id: http://svn.code.sf.net/p/greenshot/code/trunk@2429 7dccd23d-a4a3-4e1f-8c07-b4c1b4018ab4
This commit is contained in:
RKrom 2013-01-14 13:45:41 +00:00
parent 9288fa8212
commit 201ee7082e
7 changed files with 365 additions and 233 deletions
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16
GreenshotPlugin/Core/WindowsHelper.cs
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@ -1224,15 +1224,15 @@ namespace GreenshotPlugin.Core {
/// Get the region for a window
/// </summary>
private Region GetRegion() {
IntPtr windowRegionPtr = GDI32.CreateRectRgn(0,0,0,0);
RegionResult result = User32.GetWindowRgn(Handle, windowRegionPtr);
Region returnRegion = null;
if (result != RegionResult.REGION_ERROR && result != RegionResult.REGION_NULLREGION) {
returnRegion = Region.FromHrgn(windowRegionPtr);
using (SafeRegionHandle region = GDI32.CreateRectRgn(0, 0, 0, 0)) {
if (!region.IsInvalid) {
RegionResult result = User32.GetWindowRgn(Handle, region);
if (result != RegionResult.REGION_ERROR && result != RegionResult.REGION_NULLREGION) {
return Region.FromHrgn(region.DangerousGetHandle());
}
}
}
// Free the region object
GDI32.DeleteObject(windowRegionPtr);
return returnRegion;
return null;
}
private bool CanFreezeOrUnfreeze(string titleOrProcessname) {