public void DropWithoutMovement()
{
DNDForm form = new DNDForm();
form.Text = MethodBase.GetCurrentMethod().Name;
form.InstructionsText =
"Instructions:" + Environment.NewLine + Environment.NewLine +
"1. Click with left button on the control on the left, holding it, WITHOUT MOVING IT." + Environment.NewLine +
"2. Release the button." + Environment.NewLine +
"3. Close the form.";
form.DragControl.DragData = "no movement";
form.DragControl.AllowDrop = true;
form.DragControl.AllowedEffects = DragDropEffects.Move;
form.DragControl.DropEffect = DragDropEffects.Move;
// Force to automatically do a dnd operation when mouse is pressed,
// instead of waiting for movement
form.DragControl.MouseDown += new MouseEventHandler(DragControl_MouseDown);
Application.Run(form);
Assert.AreEqual(1, form.DragControl.EnterFiredCount, "A1");
Assert.AreEqual(0, form.DragControl.LeaveFiredCount, "A2");
Assert.AreEqual(1, form.DragControl.DropFiredCount, "A3");
Assert.AreEqual(0, form.DragControl.DragOverFiredCount, "A4");
Assert.AreEqual(true, form.DragControl.Data != null, "A5");
// The assertion below is weird: We had a successfully drop, but the returned value is None
Assert.AreEqual(DragDropEffects.None, form.DragControl.PerformedEffect, "A6");
}
public void SequentialOperations()
{
DNDForm form = new DNDForm();
form.Text = MethodBase.GetCurrentMethod().Name;
form.InstructionsText =
"Instructions:" + Environment.NewLine + Environment.NewLine +
"1. Click with left button on the control on the left, holding it." + Environment.NewLine +
"2. Drag on the control on the right. " + Environment.NewLine + Environment.NewLine +
"3. Click with left button on the control on the left again, holding it." + Environment.NewLine +
"4. Move the mouse pointer to the control in the right." + Environment.NewLine +
"5. Move the mouse pointer outside the drop control." + Environment.NewLine +
"6. Release mouse button." + Environment.NewLine + Environment.NewLine +
"7. Click with left button on the control on the left again, holding it." + Environment.NewLine +
"8. Drag on the control on the right. " + Environment.NewLine + Environment.NewLine +
"9. Close the form.";
form.DragControl.DragData = "SimpleDragDropMessage";
form.DragControl.AllowedEffects = DragDropEffects.Move;
form.DropControl.DropEffect = DragDropEffects.Move;
Application.Run(form);
Assert.AreEqual(2, form.DropControl.DropFiredCount, "A1");
Assert.AreEqual(1, form.DropControl.LeaveFiredCount, "A2");
Assert.AreEqual(DragDropEffects.Move, form.DragControl.PerformedEffect, "A3");
}
public void DragDropInSameControl()
{
DNDForm form = new DNDForm();
form.Text = MethodBase.GetCurrentMethod().Name;
form.InstructionsText =
"Instructions:" + Environment.NewLine + Environment.NewLine +
"1. Click with left button on the control on the left, holding it." + Environment.NewLine +
"2. Move the mouse inside left control. " + Environment.NewLine +
"3. Drop on left control (same)." + Environment.NewLine + Environment.NewLine +
"4. Click with left button on the control on the left again, holding it." + Environment.NewLine +
"5. Move the mouse inside the left control. " + Environment.NewLine +
"6. Press ESC, release mouse button and move mouse pointer outside control." + Environment.NewLine +
"7. Close the form.";
form.DragControl.DragData = "SameControl";
form.DragControl.AllowDrop = true;
form.DragControl.AllowedEffects = DragDropEffects.Copy;
data = null;
drag_enter_count = drag_leave_count = 0;
form.DragControl.DragEnter += new DragEventHandler(DragDropInSameControl_DragEnter);
form.DragControl.DragLeave += new EventHandler(DragDropInSameControl_DragLeave);
form.DragControl.DragDrop += new DragEventHandler(DragDropInSameControl_DragDrop);
Application.Run(form);
Assert.AreEqual(2, drag_enter_count, "A1");
Assert.AreEqual(1, drag_leave_count, "A2");
Assert.AreEqual(1, drag_drop_count, "A3");
Assert.AreEqual("SameControl", data, "A4");
}
public void DropCancelledByQuery()
{
DNDForm form = new DNDForm();
form.Text = MethodBase.GetCurrentMethod().Name;
form.InstructionsText =
"Instructions:" + Environment.NewLine + Environment.NewLine +
"1. Click with left button on the control on the left, holding it." + Environment.NewLine +
"2. Move mouse pointer to the control in the right. " + Environment.NewLine +
"3. The drop should be cancelled after some seconds." + Environment.NewLine +
"4. Close the form.";
form.DragControl.DragData = "hello";
form.DragControl.AllowedEffects = DragDropEffects.All;
form.DropControl.DropEffect = DragDropEffects.Copy;
query_counter = 0;
form.DragControl.QueryContinueDrag += new QueryContinueDragEventHandler(DragControl_QueryContinueDrag);
Application.Run(form);
Assert.AreEqual(DragDropEffects.None, form.DragControl.PerformedEffect, "A1");
Assert.AreEqual(1, form.DropControl.EnterFiredCount, "A2");
Assert.AreEqual(1, form.DropControl.LeaveFiredCount, "A3");
Assert.AreEqual(0, form.DropControl.DropFiredCount, "A4");
}
public void EventsAfterDrop()
{
DNDForm form = new DNDForm();
form.Text = MethodBase.GetCurrentMethod().Name;
form.InstructionsText =
"Instructions:" + Environment.NewLine + Environment.NewLine +
"1. Click with left button on the control on the left, holding it." + Environment.NewLine +
"2. Move mouse pointer to the control in the right. " + Environment.NewLine +
"3. Move the pointer around and then release the mouse button." + Environment.NewLine +
"4. Close the form.";
form.DragControl.DragData = "hello";
form.DragControl.AllowedEffects = DragDropEffects.All;
form.DropControl.DropEffect = DragDropEffects.Copy;
// These should clear the event counters AND
// thus the event counters should remain at 0 after drop occurred
// AND we should get any MouseUp event.
mouse_up_counter = 0;
form.DropControl.DragDrop += new DragEventHandler(DropControl_DragDrop);
form.DropControl.MouseUp += new MouseEventHandler(DropControl_MouseUp);
Application.Run(form);
Assert.AreEqual(DragDropEffects.Copy, form.DragControl.PerformedEffect, "A1");
Assert.AreEqual(0, form.DropControl.EnterFiredCount, "A2");
Assert.AreEqual(0, form.DropControl.LeaveFiredCount, "A3");
Assert.AreEqual(0, form.DropControl.DropFiredCount, "A4");
Assert.AreEqual(0, form.DropControl.DragOverFiredCount, "A5");
Assert.AreEqual(0, mouse_up_counter, "A6");
}
void DragControl_QueryContinueDrag(object sender, QueryContinueDragEventArgs e)
{
DragDropControl c = (DragDropControl)sender;
DNDForm f = (DNDForm)c.Parent;
if (f.DropControl.EnterFiredCount == 0)
{
return;
}
// Cancel dnd operation AFTER we have reached the drop control
if (query_counter++ >= 32)
{
e.Action = DragAction.Cancel;
}
}
public void DropCancelledByEsc ()
{
DNDForm form = new DNDForm ();
form.Text = MethodBase.GetCurrentMethod ().Name;
form.InstructionsText =
"Instructions:" + Environment.NewLine + Environment.NewLine +
"1. Click with left button on the control on the left, holding it." + Environment.NewLine +
"2. Move mouse pointer to the control in the right. " + Environment.NewLine +
"3. While still pressing the mouse button, press ESC." + Environment.NewLine +
"4. Close the form.";
form.DragControl.DragData = "hello";
form.DragControl.AllowedEffects = DragDropEffects.All;
form.DropControl.DropEffect = DragDropEffects.Copy;
Application.Run (form);
Assert.AreEqual (DragDropEffects.None, form.DragControl.PerformedEffect, "A1");
Assert.AreEqual (1, form.DropControl.EnterFiredCount, "A2");
Assert.AreEqual (1, form.DropControl.LeaveFiredCount, "A3");
Assert.AreEqual (0, form.DropControl.DropFiredCount, "A4");
}
public void SimpleDragDrop()
{
DNDForm form = new DNDForm();
form.Text = MethodBase.GetCurrentMethod().Name;
form.InstructionsText =
"Instructions:" + Environment.NewLine + Environment.NewLine +
"1. Click with left button on the control on the left, holding it." + Environment.NewLine +
"2. Move mouse pointer to the control in the right. " + Environment.NewLine +
"3. Drop on the right control." + Environment.NewLine +
"4. Close the form.";
form.DragControl.DragData = "SimpleDragDropMessage";
form.DragControl.AllowedEffects = DragDropEffects.Copy;
form.DropControl.DropEffect = DragDropEffects.Copy;
Application.Run(form);
Assert.AreEqual(DragDropEffects.Copy, form.DragControl.PerformedEffect, "A1");
Assert.IsTrue(form.DropControl.Data != null, "A2");
Assert.AreEqual(true, form.DropControl.Data.GetDataPresent(typeof(string)), "A3");
Assert.AreEqual("SimpleDragDropMessage", form.DropControl.Data.GetData(typeof(string)), "A4");
}
public void NotAllowedDropEffect()
{
DNDForm form = new DNDForm();
form.Text = MethodBase.GetCurrentMethod().Name;
form.InstructionsText =
"Instructions:" + Environment.NewLine + Environment.NewLine +
"1. Click with left button on the control on the left, holding it." + Environment.NewLine +
"2. Move mouse pointer to the control in the right. " + Environment.NewLine +
"3. Drop on the right control." + Environment.NewLine +
"4. Close the form.";
form.DragControl.DragData = "SimpleDragDropMessage";
form.DragControl.AllowedEffects = DragDropEffects.Copy;
form.DropControl.DropEffect = DragDropEffects.Move;
Application.Run(form);
Assert.AreEqual(DragDropEffects.None, form.DragControl.PerformedEffect, "A1");
Assert.AreEqual(1, form.DropControl.EnterFiredCount, "A2");
Assert.AreEqual(0, form.DropControl.DropFiredCount, "A3");
Assert.AreEqual(1, form.DropControl.LeaveFiredCount, "A4");
}
public void DropCancelledByEsc()
{
DNDForm form = new DNDForm();
form.Text = MethodBase.GetCurrentMethod().Name;
form.InstructionsText =
"Instructions:" + Environment.NewLine + Environment.NewLine +
"1. Click with left button on the control on the left, holding it." + Environment.NewLine +
"2. Move mouse pointer to the control in the right. " + Environment.NewLine +
"3. While still pressing the mouse button, press ESC." + Environment.NewLine +
"4. Close the form.";
form.DragControl.DragData = "hello";
form.DragControl.AllowedEffects = DragDropEffects.All;
form.DropControl.DropEffect = DragDropEffects.Copy;
Application.Run(form);
Assert.AreEqual(DragDropEffects.None, form.DragControl.PerformedEffect, "A1");
Assert.AreEqual(1, form.DropControl.EnterFiredCount, "A2");
Assert.AreEqual(1, form.DropControl.LeaveFiredCount, "A3");
Assert.AreEqual(0, form.DropControl.DropFiredCount, "A4");
}
public void DropCancelledByQuery ()
{
DNDForm form = new DNDForm ();
form.Text = MethodBase.GetCurrentMethod ().Name;
form.InstructionsText =
"Instructions:" + Environment.NewLine + Environment.NewLine +
"1. Click with left button on the control on the left, holding it." + Environment.NewLine +
"2. Move mouse pointer to the control in the right. " + Environment.NewLine +
"3. The drop should be cancelled after some seconds." + Environment.NewLine +
"4. Close the form.";
form.DragControl.DragData = "hello";
form.DragControl.AllowedEffects = DragDropEffects.All;
form.DropControl.DropEffect = DragDropEffects.Copy;
query_counter = 0;
form.DragControl.QueryContinueDrag += new QueryContinueDragEventHandler (DragControl_QueryContinueDrag);
Application.Run (form);
Assert.AreEqual (DragDropEffects.None, form.DragControl.PerformedEffect, "A1");
Assert.AreEqual (1, form.DropControl.EnterFiredCount, "A2");
Assert.AreEqual (1, form.DropControl.LeaveFiredCount, "A3");
Assert.AreEqual (0, form.DropControl.DropFiredCount, "A4");
}
public void DragDropInSameControl ()
{
DNDForm form = new DNDForm ();
form.Text = MethodBase.GetCurrentMethod ().Name;
form.InstructionsText =
"Instructions:" + Environment.NewLine + Environment.NewLine +
"1. Click with left button on the control on the left, holding it." + Environment.NewLine +
"2. Move the mouse inside left control. " + Environment.NewLine +
"3. Drop on left control (same)." + Environment.NewLine + Environment.NewLine +
"4. Click with left button on the control on the left again, holding it." + Environment.NewLine +
"5. Move the mouse inside the left control. " + Environment.NewLine +
"6. Press ESC, release mouse button and move mouse pointer outside control." + Environment.NewLine +
"7. Close the form.";
form.DragControl.DragData = "SameControl";
form.DragControl.AllowDrop = true;
form.DragControl.AllowedEffects = DragDropEffects.Copy;
data = null;
drag_enter_count = drag_leave_count = 0;
form.DragControl.DragEnter += new DragEventHandler (DragDropInSameControl_DragEnter);
form.DragControl.DragLeave += new EventHandler (DragDropInSameControl_DragLeave);
form.DragControl.DragDrop += new DragEventHandler (DragDropInSameControl_DragDrop);
Application.Run (form);
Assert.AreEqual (2, drag_enter_count, "A1");
Assert.AreEqual (1, drag_leave_count, "A2");
Assert.AreEqual (1, drag_drop_count, "A3");
Assert.AreEqual ("SameControl", data, "A4");
}
public void DropWithoutMovement ()
{
DNDForm form = new DNDForm ();
form.Text = MethodBase.GetCurrentMethod ().Name;
form.InstructionsText =
"Instructions:" + Environment.NewLine + Environment.NewLine +
"1. Click with left button on the control on the left, holding it, WITHOUT MOVING IT." + Environment.NewLine +
"2. Release the button." + Environment.NewLine +
"3. Close the form.";
form.DragControl.DragData = "no movement";
form.DragControl.AllowDrop = true;
form.DragControl.AllowedEffects = DragDropEffects.Move;
form.DragControl.DropEffect = DragDropEffects.Move;
// Force to automatically do a dnd operation when mouse is pressed,
// instead of waiting for movement
form.DragControl.MouseDown += new MouseEventHandler (DragControl_MouseDown);
Application.Run (form);
Assert.AreEqual (1, form.DragControl.EnterFiredCount, "A1");
Assert.AreEqual (0, form.DragControl.LeaveFiredCount, "A2");
Assert.AreEqual (1, form.DragControl.DropFiredCount, "A3");
Assert.AreEqual (0, form.DragControl.DragOverFiredCount, "A4");
Assert.AreEqual (true, form.DragControl.Data != null, "A5");
// The assertion below is weird: We had a successfully drop, but the returned value is None
Assert.AreEqual (DragDropEffects.None, form.DragControl.PerformedEffect, "A6");
}
public void SequentialOperations ()
{
DNDForm form = new DNDForm ();
form.Text = MethodBase.GetCurrentMethod ().Name;
form.InstructionsText =
"Instructions:" + Environment.NewLine + Environment.NewLine +
"1. Click with left button on the control on the left, holding it." + Environment.NewLine +
"2. Drag on the control on the right. " + Environment.NewLine + Environment.NewLine +
"3. Click with left button on the control on the left again, holding it." + Environment.NewLine +
"4. Move the mouse pointer to the control in the right." + Environment.NewLine +
"5. Move the mouse pointer outside the drop control." + Environment.NewLine +
"6. Release mouse button." + Environment.NewLine + Environment.NewLine +
"7. Click with left button on the control on the left again, holding it." + Environment.NewLine +
"8. Drag on the control on the right. " + Environment.NewLine + Environment.NewLine +
"9. Close the form.";
form.DragControl.DragData = "SimpleDragDropMessage";
form.DragControl.AllowedEffects = DragDropEffects.Move;
form.DropControl.DropEffect = DragDropEffects.Move;
Application.Run (form);
Assert.AreEqual (2, form.DropControl.DropFiredCount, "A1");
Assert.AreEqual (1, form.DropControl.LeaveFiredCount, "A2");
Assert.AreEqual (DragDropEffects.Move, form.DragControl.PerformedEffect, "A3");
}
public void NotAllowedDropEffect ()
{
DNDForm form = new DNDForm ();
form.Text = MethodBase.GetCurrentMethod ().Name;
form.InstructionsText =
"Instructions:" + Environment.NewLine + Environment.NewLine +
"1. Click with left button on the control on the left, holding it." + Environment.NewLine +
"2. Move mouse pointer to the control in the right. " + Environment.NewLine +
"3. Drop on the right control." + Environment.NewLine +
"4. Close the form.";
form.DragControl.DragData = "SimpleDragDropMessage";
form.DragControl.AllowedEffects = DragDropEffects.Copy;
form.DropControl.DropEffect = DragDropEffects.Move;
Application.Run (form);
Assert.AreEqual (DragDropEffects.None, form.DragControl.PerformedEffect, "A1");
Assert.AreEqual (1, form.DropControl.EnterFiredCount, "A2");
Assert.AreEqual (0, form.DropControl.DropFiredCount, "A3");
Assert.AreEqual (1, form.DropControl.LeaveFiredCount, "A4");
}
public void SimpleDragDrop ()
{
DNDForm form = new DNDForm ();
form.Text = MethodBase.GetCurrentMethod ().Name;
form.InstructionsText =
"Instructions:" + Environment.NewLine + Environment.NewLine +
"1. Click with left button on the control on the left, holding it." + Environment.NewLine +
"2. Move mouse pointer to the control in the right. " + Environment.NewLine +
"3. Drop on the right control." + Environment.NewLine +
"4. Close the form.";
form.DragControl.DragData = "SimpleDragDropMessage";
form.DragControl.AllowedEffects = DragDropEffects.Copy;
form.DropControl.DropEffect = DragDropEffects.Copy;
Application.Run (form);
Assert.AreEqual (DragDropEffects.Copy, form.DragControl.PerformedEffect, "A1");
Assert.IsTrue (form.DropControl.Data != null, "A2");
Assert.AreEqual (true, form.DropControl.Data.GetDataPresent (typeof (string)), "A3");
Assert.AreEqual ("SimpleDragDropMessage", form.DropControl.Data.GetData (typeof (string)), "A4");
}
public void EventsAfterDrop ()
{
DNDForm form = new DNDForm ();
form.Text = MethodBase.GetCurrentMethod ().Name;
form.InstructionsText =
"Instructions:" + Environment.NewLine + Environment.NewLine +
"1. Click with left button on the control on the left, holding it." + Environment.NewLine +
"2. Move mouse pointer to the control in the right. " + Environment.NewLine +
"3. Move the pointer around and then release the mouse button." + Environment.NewLine +
"4. Close the form.";
form.DragControl.DragData = "hello";
form.DragControl.AllowedEffects = DragDropEffects.All;
form.DropControl.DropEffect = DragDropEffects.Copy;
// These should clear the event counters AND
// thus the event counters should remain at 0 after drop occurred
// AND we should get any MouseUp event.
mouse_up_counter = 0;
form.DropControl.DragDrop += new DragEventHandler (DropControl_DragDrop);
form.DropControl.MouseUp += new MouseEventHandler (DropControl_MouseUp);
Application.Run (form);
Assert.AreEqual (DragDropEffects.Copy, form.DragControl.PerformedEffect, "A1");
Assert.AreEqual (0, form.DropControl.EnterFiredCount, "A2");
Assert.AreEqual (0, form.DropControl.LeaveFiredCount, "A3");
Assert.AreEqual (0, form.DropControl.DropFiredCount, "A4");
Assert.AreEqual (0, form.DropControl.DragOverFiredCount, "A5");
Assert.AreEqual (0, mouse_up_counter, "A6");
}
