Fix #356: Search and Replace dialog window does not scale with DPI setting

src/AddIns/Misc/SearchAndReplace/Project/Gui/SearchAndReplaceDialog.cs

@@ -64,6 +64,7 @@ namespace SearchAndReplace
 				
 		public SearchAndReplaceDialog(SearchAndReplaceMode searchAndReplaceMode)
 		{
+			SuspendLayout();
 			this.FormBorderStyle = FormBorderStyle.FixedToolWindow;
 			this.ShowInTaskbar   = false;
 			this.TopMost         = false;
@@ -94,6 +95,10 @@ namespace SearchAndReplace
 			Controls.Add(toolStrip);
 			RightToLeftConverter.ConvertRecursive(this);
 			
+			this.AutoScaleMode = AutoScaleMode.Dpi;
+			this.AutoScaleDimensions = new SizeF(96, 96);
+			ResumeLayout();
+			
 			SetSearchAndReplaceMode();
 			FormLocationHelper.Apply(this, "ICSharpCode.SharpDevelop.Gui.SearchAndReplaceDialog.Location", false);
 			
@@ -144,12 +149,16 @@ namespace SearchAndReplace
 		
 		void SetSearchAndReplaceMode()
 		{
+			SuspendLayout();
 			searchAndReplacePanel.SearchAndReplaceMode = searchButton.Checked ? SearchAndReplaceMode.Search : SearchAndReplaceMode.Replace;
+			this.AutoScaleMode = AutoScaleMode.Dpi;
+			this.AutoScaleDimensions = new SizeF(96, 96);
 			if (searchButton.Checked) {
 				this.ClientSize      = new Size(430, 335);
 			} else {
 				this.ClientSize      = new Size(430, 385);
 			}
+			ResumeLayout();
 		}
 		
 		/// <summary>

src/Main/SharpDevelop/app.template.config

@@ -85,6 +85,10 @@
 		<!-- Use this setting to disable the code completion cache. Code completion will still be
 		     available, but take longer to load and use more RAM. -->
 		<!-- <add key="domPersistencePath" value="none" /> -->
+		
+		<!-- Tell WinForms to resize some components based on system DPI.
+		     Only has an effect with .NET 4.5.2 or higher. -->
+		<add key="EnableWindowsFormsHighDpiAutoResizing" value="true" />
 	</appSettings>
 	<log4net>
 		<!-- Writes to the console. The console is only visible in debug builds of SharpDevelop. -->