Exemple #1
0
        public DialogResult ShowDialog(IWin32Window owner, IFileDialogUICallbacks uiCallbacks)
        {
            if (uiCallbacks == null)
            {
                throw new ArgumentNullException("uiCallbacks");
            }

            this.uiCallbacks = uiCallbacks;

            int hrCCD = FileDialog.ClearClientData();

            uint dwCookie = 0xdeadbeef;

            if (this.fileDialogEvents != null)
            {
                FileDialog.Advise(this.fileDialogEvents, out dwCookie);
            }

            OnBeforeShow();

            int hr = 0;

            UI.InvokeThroughModalTrampoline(
                owner,
                delegate(IWin32Window modalOwner)
            {
                hr = this.fileDialog.Show(modalOwner.Handle);
                GC.KeepAlive(modalOwner);
            });

            DialogResult result;

            if (hr >= 0)
            {
                result = DialogResult.OK;
            }
            else
            {
                result = DialogResult.Cancel;
            }

            this.dialogResult = result;

            if (this.fileDialogEvents != null)
            {
                FileDialog.Unadvise(dwCookie);
            }

            OnAfterShow();
            this.uiCallbacks = null;

            GC.KeepAlive(owner);
            return(result);
        }
Exemple #2
0
        public DialogResult ShowDialog(IWin32Window owner, IFileDialogUICallbacks uiCallbacks)
        {
            Control ownerAsControl = owner as Control;

            if (uiCallbacks == null)
            {
                throw new ArgumentNullException("uiCallbacks");
            }

            Cursor.Current = Cursors.WaitCursor;

            if ((Control.ModifierKeys & Keys.Shift) != 0)
            {
                UI.InvokeThroughModalTrampoline(
                    owner,
                    delegate(IWin32Window modalOwner)
                {
                    while ((Control.ModifierKeys & Keys.Shift) != 0)
                    {
                        System.Threading.Thread.Sleep(1);
                        Application.DoEvents();
                    }
                });
            }

            Cursor.Current = Cursors.Default;

            DialogResult result = DialogResult.Cancel;

            UI.InvokeThroughModalTrampoline(
                owner,
                delegate(IWin32Window modalOwner)
            {
                if (ownerAsControl != null && ownerAsControl.IsHandleCreated)
                {
                    ownerAsControl.BeginInvoke(new Procedure <FileDialog>(EnableThumbnailView), new object[] { this.FileDialog });
                }

                result = this.FileDialog.ShowDialog(modalOwner);
            });

            return(result);
        }
        public DialogResult ShowDialog(IWin32Window owner, IFileDialogUICallbacks uiCallbacks)
        {
            Control ownerAsControl = owner as Control;

            if (uiCallbacks == null)
            {
                throw new ArgumentNullException("uiCallbacks");
            }

            Cursor.Current = Cursors.WaitCursor;

            if ((Control.ModifierKeys & Keys.Shift) != 0)
            {
                UI.InvokeThroughModalTrampoline(
                    owner,
                    delegate(IWin32Window modalOwner)
                    {
                        while ((Control.ModifierKeys & Keys.Shift) != 0)
                        {
                            System.Threading.Thread.Sleep(1);
                            Application.DoEvents();
                        }
                    });
            }

            Cursor.Current = Cursors.Default;

            DialogResult result = DialogResult.Cancel;

            UI.InvokeThroughModalTrampoline(
                owner,
                delegate(IWin32Window modalOwner)
                {
                    if (ownerAsControl != null && ownerAsControl.IsHandleCreated)
                    {
                        ownerAsControl.BeginInvoke(new Procedure<FileDialog>(EnableThumbnailView), new object[] { this.fileDialog });
                    }

                    result = this.fileDialog.ShowDialog(modalOwner);
                });

            return result;
        }
        public DialogResult ShowDialog(IWin32Window owner, IFileDialogUICallbacks uiCallbacks)
        {
            if (uiCallbacks == null)
            {
                throw new ArgumentNullException("uiCallbacks");
            }

            this.uiCallbacks = uiCallbacks;

            int hrCCD = FileDialog.ClearClientData();

            uint dwCookie = 0xdeadbeef;

            if (this.fileDialogEvents != null)
            {
                FileDialog.Advise(this.fileDialogEvents, out dwCookie);
            }

            OnBeforeShow();

            int hr = 0;

            UI.InvokeThroughModalTrampoline(
                owner,
                delegate(IWin32Window modalOwner)
                {
                    hr = this.fileDialog.Show(modalOwner.Handle);
                    GC.KeepAlive(modalOwner);
                });

            DialogResult result;

            if (hr >= 0)
            {
                result = DialogResult.OK;
            }
            else
            {
                result = DialogResult.Cancel;
            }

            this.dialogResult = result;

            if (this.fileDialogEvents != null)
            {
                FileDialog.Unadvise(dwCookie);
            }

            OnAfterShow();
            this.uiCallbacks = null;

            GC.KeepAlive(owner);
            return result;
        }