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Fixed NullReferenzException

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git-svn-id: http://svn.code.sf.net/p/greenshot/code/trunk@1615 7dccd23d-a4a3-4e1f-8c07-b4c1b4018ab4
This commit is contained in:
RKrom 2012-01-31 17:03:24 +00:00
commit 23e9843d07
1 changed files with 8 additions and 4 deletions
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12
Greenshot/Helpers/CaptureHelper.cs
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@ -145,7 +145,7 @@ namespace Greenshot.Helpers {
capture.CaptureDetails.CaptureMode = captureMode;
// Get the windows details in a seperate thread
PrepareForCaptureWithFeedback();
Thread getWindowDetailsThread = PrepareForCaptureWithFeedback();
// Add destinations if no-one passed a handler
if (capture.CaptureDetails.CaptureDestinations == null || capture.CaptureDetails.CaptureDestinations.Count == 0) {
@ -297,7 +297,7 @@ namespace Greenshot.Helpers {
LOG.Warn("Unknown capture mode: " + captureMode);
break;
}
getWindowDetailsThread.Join();
if (capture != null) {
LOG.Debug("Disposing capture");
capture.Dispose();
@ -307,10 +307,10 @@ namespace Greenshot.Helpers {
/// <summary>
/// Pre-Initialization for CaptureWithFeedback, this will get all the windows before we change anything
/// </summary>
private void PrepareForCaptureWithFeedback() {
private Thread PrepareForCaptureWithFeedback() {
windows = new List<WindowDetails>();
Thread getWindowDetailsThread= new Thread (delegate() {
Thread getWindowDetailsThread = new Thread (delegate() {
// Start Enumeration of "active" windows
foreach (WindowDetails window in WindowDetails.GetAllWindows()) {
// Window should be visible and not ourselves
@ -340,6 +340,9 @@ namespace Greenshot.Helpers {
// Get window rectangle as capture Element
CaptureElement windowCaptureElement = new CaptureElement(windowRectangle);
if (capture == null) {
break;
}
capture.Elements.Add(windowCaptureElement);
if (!window.HasParent) {
@ -359,6 +362,7 @@ namespace Greenshot.Helpers {
getWindowDetailsThread.Name = "Retrieve window details";
getWindowDetailsThread.IsBackground = true;
getWindowDetailsThread.Start();
return getWindowDetailsThread;
}
private void AddCaptureElementsForWindow(ICaptureElement parentElement, WindowDetails parentWindow, int level) {