rdlc data matrix

rdlc data matrix

rdlc data matrix

rdlc data matrix

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Add a CheckedChanged handler for the CheckBox object to enable the controls when the box is checked.

private void cbtnPassword_CheckedChanged (object sender, System.EventArgs e) { // Enable pwd controls as required. bool enable = cbtnPassword.Checked; txtAlbumPwd.Enabled = enable; lblConfirmPwd.Enabled = enable; txtConfirmPwd.Enabled = enable; if (enable) { // Assign focus to pwd text box txtAlbumPwd.Focus(); } } private void txtAlbumPwd_Validating (object sender, System. ComponentModel.CancelEventArgs e) { if (txtAlbumPwd.TextLength == 0) { MessageBox.Show(this, "The password for the album " + "cannot be blank", "Invalid Password", MessageBoxButtons.OK, MessageBoxIcon.Error); e.Cancel = true; } }

Add a Validating event handler to the txtAlbumPwd control. Note: The Validating and Validated events allow custom validation to be performed on a control.

Ranjit Bhatnagar, gameLab Michael Capps, Naval Postgraduate School/ Scion Studios Mary Clarke-Miller, Art Institute of California Sebastien Doumic, SupInfoGame John Feil, LucasArts Austin Grossman, University of California, Berkeley Henry Jenkins, MIT John Laird, University of Michigan Marc LeBlanc, Visual Concepts Janet Murray, Georgia Tech University Rob Nideffer, University of California, Irvine Celia Pearce, University of California, Irvine Jon Purdy, University of Hull Nicolas Rioux, Ubi Soft Montreal Katie Salen, Mint Kurt Squire, MIT Raphael van Lierop, The Idea Foundry John Welsh, Shockwavecom

When the user clicks the ActualSize display mode, we need to adjust not just the Actual Size display mode, but also our Scale to Fit and Stretch to Fit menus to ensure that scrolling is disabled when these modes are set. The following steps detail the changes required.

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Set the version number of the MyPhotos application to 7 .3. MODIFY MENUIMAGE_CHILDCLICK FOR ACTUALSIZE DISPLAY MODE Action 1 Locate the menuImage_ChildClick method in the MainForm.cs source window. Turn scrolling off for the ScaleToFit and StretchToFit display modes. Result

protected void menuImage_ChildClick (object sender, System.EventArgs e) { . . . switch (_selectedMode) { default: case DisplayMode.ScaleToFit: case DisplayMode.StretchToFit: // Display entire image in window AutoScroll = false; SetStyle(ControlStyles.ResizeRedraw, true); . . . case DisplayMode.ActualSize: // Display image at actual size AutoScroll = true; SetStyle(ControlStyles.ResizeRedraw, false); Invalidate(); break; } . . . }

John Buchanon, Electronic Arts Rob Catto, Full Sail Real World Education Dustin Clingman, Full Sail Real World Education Christopher Erhart, DigiPen Institute of Technology Nick Fortugno, gameLab Ian Horswill, Northwestern University Jesper Juul, IT University of Copenhagen Frank Lantz, gameLab Andrew Leker, Mind Control Software Ray Muzyka, BioWare Corp Kirk Owen, Octagon Entertainment Ken Perlin, NYU Simon Redmon, Liverpool John Moores University Dave Rorhl, EAcom Matthew Southern, Liverpool John Moores University Michael Sweet, Audiobrain Mark Voelpel, CUNY

Turn scrolling on for the ActualSize display mode. How-to a. Set AutoScroll to true. b. Turn off the ResizeRedraw style for the form.

Note here that we did not set AutoScrollMinSize to the size of the current image. Since different images may have different sizes, we will need to adjust this setting whenever the current image changes. One way to do this would be to modify this setting in all the places where the current image changes. This would include the Next, Previous, and Remove menu handlers, and possibly other locations in the future as well. That s a lot to keep track off. Instead, we will set this property when the image is painted so that it is updated by default whenever the image changes. For the Paint operation itself, another version of the Graphics.DrawImage method is used to account for drawing the image into a space larger than the client area. The DrawImage method has a number of overloads to handle various types of drawing. See the documentation for the complete list.

MODIFY ONPAINT METHOD FOR ACTUALSIZE DISPLAY MODE Action 4 Locate the OnPaint method in the MainForm.cs source window. When the display mode is

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protected override void OnPaint(PaintEventArgs e) { . . . case DisplayMode.ActualSize: // Draw appropriate portion of image g.DrawImage(photo.Image, AutoScrollPosition.X, AutoScrollPosition.Y, photo.Image.Width, photo.Image.Height); AutoScrollMinSize = photo.Image.Size; break; . . . }