private void panel_Draw_MouseUp(object aSender, MouseEventArgs aEventArgs)
{
if (aEventArgs.Button == MouseButtons.Left)
{
mMove = false;
if (mCreate)
{
mCreate = false;
mElements.Add(mNewElement);
listBox_Elements.Items.Add(mNewElement.Name);
mNewElement = null;
}
if (mSelectionWork)
{
mSelectionWork = false;
mSelectionForm.Hide();
mSelectionForm.Dispose();
mSelectionForm = null;
}
updateMenu();
redraw();
return;
}
}
protected override void Dispose(bool disposing)
{
if (disposing)
{
if (mBitmap != null)
{
mBitmap.Dispose();
mBitmap = null;
}
if (mElements != null)
{
int lCount = mElements.Count;
if (lCount > 0)
{
for (int i = 0; i < lCount; i++)
{
mElements[i].Dispose();
}
mElements.Clear();
}
mElements = null;
}
if (mCopyBuffer != null)
{
int lCount = mCopyBuffer.Count;
if (lCount > 0)
{
for (int i = 0; i < lCount; i++)
{
mCopyBuffer[i].Dispose();
}
mCopyBuffer.Clear();
}
mCopyBuffer = null;
}
if (mNewElement != null)
{
mNewElement.Dispose();
mNewElement = null;
}
if (components != null)
{
components.Dispose();
}
}
base.Dispose(disposing);
}
private void panel_Draw_MouseDown(object aSender, MouseEventArgs aEventArgs)
{
#region Selecting, Moving
if (tsButton_Pointer.Checked)
{
int lIndex = testHit(aEventArgs.Location);
bool lCtrl = (Form.ModifierKeys == Keys.Control);
if (aEventArgs.Button == MouseButtons.Left)
{
if (lIndex > -1)
{
bool lSelected = listBox_Elements.GetSelected(lIndex);
if (lSelected && lCtrl)
{
listBox_Elements.SetSelected(lIndex, false);
}
else
{
if (lSelected == false)
{
if (lCtrl == false)
{
listBox_Elements.ClearSelected();
}
listBox_Elements.SetSelected(lIndex, true);
}
mMove = true;
mMousePosition = aEventArgs.Location;
}
}
else
{
listBox_Elements.ClearSelected();
mMousePosition = Cursor.Position;
mSelectionForm = new Form();
mSelectionForm.FormBorderStyle = FormBorderStyle.None;
mSelectionForm.ShowInTaskbar = false;
mSelectionForm.ShowIcon = false;
mSelectionForm.BackColor = Color.Gray;
mSelectionForm.Opacity = 0.15;
mSelectionForm.TopMost = true;
int lCount = mElements.Count;
mElementRect = new Rectangle[lCount];
for (int i = 0; i < lCount; i++)
{
mElementRect[i] = panel_Draw.RectangleToScreen(mElements[i].coverRect);
}
mSelectionWork = true;
mSelectionRect = new Rectangle(0, 0, 1, 1);
ThreadPool.QueueUserWorkItem((o) => { SelectionWork(); });
}
}
if (aEventArgs.Button == MouseButtons.Right)
{
listBox_Elements.ClearSelected();
if (lIndex > -1)
{
listBox_Elements.SetSelected(lIndex, true);
tsButton_Setup_Click(this, EventArgs.Empty);
}
}
return;
}
#endregion
#region Creating
if (aEventArgs.Button == MouseButtons.Left)
{
mCreate = true;
if (tsButton_Line.Checked)
{
mNewElement = new ElementLine.ElementLine();
}
else if (tsButton_Rectangle.Checked)
{
mNewElement = new ElementRectangle.ElementRectangle();
}
else if (tsButton_Ellipse.Checked)
{
mNewElement = new ElementEllipse.ElementEllipse();
}
else if (tsButton_Text.Checked)
{
mNewElement = new ElementText.ElementText();
}
mNewElement.move(aEventArgs.X, aEventArgs.Y);
mMousePosition = aEventArgs.Location;
return;
}
#endregion
}