The following are general usage instructions for BlockApps:

(1) When the DDBlkAdd App is invoked you can select from an on-screen window or pick Objects from the graphic screen the Blocks you want to add a user specified Prefix, Suffix or Both to all or a selected set of Block names in the current drawing.

(2) When the DDBlkCas App is invoked you can select from an on-screen window or pick Objects from the graphic screen the Blocks you want to change the case to 1^st Letter of each word to Uppercase or entire Block Name to Uppercase or Lowercase.

(3) When the DDBlkF&R App is invoked, you can select from an on-screen window or pick Objects from the graphic screen the Blocks you want to find a matching character set and replace with a different character set at the Start, End, or all of the Block Name.

Note: For DDBlkAdd, DDBlkCas, & DDBlkF&R: You can perform any of the Options on separate sets of selected Blocks as many times as needed. Click on the Apply button for all the operations to run and, upon completion, have the on-screen window reappear again, showing you all the changes.  Click on the OK button to complete the operations to finish the command. Click on the Cancel button to just dismiss the command without making any changes. Also, the following Block Names are always excluded because these cannot be changed: Nested Xref Blocks, Anonymous Blocks

(4) When the DDBlkRen App is invoked you are given the option to pick Blocks from the graphic screen to Rename. An on-screen window appears showing on the top row an edit box to enter a new name for the Block and a bottom row a popup list showing the other Blocks in the current drawing which also can be renamed.

(5) When the DDBlkCat App is invoked you can select from an on-screen window the various options to create a Block Catalog. The app exports separate files of each Block using one of the file formats selected from the top row of radio buttons: Dwg, Sld, Dwf, DwfX or Pdf. 

(6) When the DDExport App is invoked you can select from an on-screen window the various options to export a specified area of the drawing. The app combines AutoCAD’s ExportDwf, ExportDwfX, ExportPdf and MSlide commands into a single custom dialog box for execution.

(7) The BlkAppsInfo command can be invoked from within each of the six added commands by clicking on the Info button. User can also execute by selecting command from Ribbon>Add In>BlockApps Panel or Toolbar. BlkAppsInfo brings up an on-screen window summarizing all six new commands with their logos, Version History button to access a log of version number & description, see Additional Info about the product, Show or Hide the App’s Toolbar, the Publisher Privacy Policy and product contact information.

Note: 

(1) With the first four BlockApps the total number of Block Name items is always shown at the bottom of the Block Name list box. Also after running successfully, you can always use AutoCAD's Undo Back option to revert back to the previous state prior to running the command.

(2) To prevent data loss BlockApps DDBlkCat command should only be run on a drawing that has just been opened without any modifications made.

The installer that ran when you downloaded this app/plug-in from the Autodesk App Store will start installing the app/plug-in. OR, simply double-click the downloaded installer to install the app/plugin. You may need to restart the Autodesk product to activate the app/plug-in. To uninstall this plug-in, exit the Autodesk product if you are currently running it, simply rerun the installer, and select the "Uninstall" button. OR, click Control Panel > Programs > Programs and Features (Windows 10/11) and uninstall as you would any other application from your system.

For BlockApps to run successfully, a screen resolution of at least 1024x768 is required.

For both DDBlkCat and DDExport apps to launch successfully the following AutoCAD built-in devices must be present: DWF6 ePlot.pc3, DWFx ePlot (XPS Compatible).pc3 and AutoCAD PDF (General Documentation).pc3